- The female subject has a diagnosis of one of the following: a) low-grade serous ovarian or peritoneal carcinoma, or grade 1 serous ovarian or peritoneal carcinoma or well-differentiated serous ovarian or peritoneal carcinoma or b) serous borderline ovarian or peritoneal tumor, ovarian or peritoneal tumor of low-malignant potential, ovarian or peritoneal atypical proliferative serous tumor that recurs as low grade serous carcinoma or has invasive peritoneal implants.